fix(colortheme): add option for setting color theme and airline theme

.EverVim.vimrc.sample

@@ -13,6 +13,10 @@
     " Below is the default config, uncomment and make your own
     "   let g:evervim_bundle_groups=['general', 'appearance', 'writing', 'youcompleteme', 'programming', 'python', 'javascript', 'html', 'misc', 'go', 'rust', 'cpp', 'lua']
 
+    " Color Theme
+    "   let g:evervim_color_theme="dracula"
+    "   let g:evervim_airline_theme="dracula"
+
     " Automatically changing to open file directory
     " May cause airline to misbehave
     "   let g:evervim_autochdir = 1

core/vimui.vim

@@ -1,10 +1,12 @@
 " Vim UI
-if !exists('g:override_evervim_bundles') && filereadable(expand("~/.vim/bundle/vim-colors-solarized/colors/solarized.vim"))
-    let g:solarized_termcolors=256
-    let g:solarized_termtrans=1
-    let g:solarized_contrast="normal"
-    let g:solarized_visibility="normal"
+if !exists('g:evervim_color_theme') && filereadable(expand("~/.vim/bundle/vim/colors/dracula.vim"))
+    "let g:solarized_termcolors=256
+    "let g:solarized_termtrans=1
+    "let g:solarized_contrast="normal"
+    "let g:solarized_visibility="normal"
     color dracula             " Load a colorscheme
+else
+    execute 'color ' . g:evervim_color_theme
 endif
 
 set tabpagemax=15                                      " Only show 15 tabs

plugins/general/airline.vim

@@ -1,21 +1,20 @@
 " Set configuration options for the statusline plugin vim-airline.
 " Use the powerline theme and optionally enable powerline symbols.
-" To use the symbols , , , , , , and .in the statusline
-" segments add the following to your .vimrc.before.local file:
-let g:airline_powerline_fonts=1
-" If the previous symbols do not render for you then install a
+" If the symbols do not render for you then install a
 " powerline enabled font.
 
 " See `:echo g:airline_theme_map` for some more choices
 " Default in terminal vim is 'dark'
 if isdirectory(expand("~/.vim/bundle/vim-airline-themes/"))
     set laststatus=2
-    if !exists('g:airline_theme')
+    if !exists('g:evervim_airline_theme')
         let g:airline_theme = 'dracula' " 'molokai' 'solarized'
+    else 
+        let g:airline_theme = g:evervim_airline_theme
     endif
     let g:airline#extensions#tabline#enabled = 1
     "let g:airline#extensions#bufferline#enabled = 1
-    if !exists('g:airline_powerline_fonts')
+    if !exists('g:airline_no_powerline')
         " Use the default set of separators with a few customizations
         let g:airline_left_sep=''  " Slightly fancier than '>'
         let g:airline_right_sep='' " Slightly fancier than '<'

plugins/general/lightline.vim

@@ -1,6 +1,11 @@
 if isdirectory(expand("~/.vim/bundle/lightline.vim/"))
+    if !exists('g:evervim_airline_theme')
+        let g:lightline_theme = 'Dracula'
+    else
+        let g:lightline_theme = g:evervim_airline_theme
+    endif
     let g:lightline = {
-                \ 'colorscheme': 'Dracula',
+                \ 'colorscheme': g:lightline_theme,
                 \ 'enable': {
                 \   'statusline': 1,
                 \   'tabline': 1,